//
// Copyright (C) 2008 Jackson Harper (jackson@ximian.com)

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
//

using System;
using Grr.Model;

namespace Grr.Web
{
    public class GrurrahBasePage : System.Web.UI.Page
    {
        public GrurrahBasePage()
        {
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            if (!IsPostBack)
            {
                if (Page.User.Identity.IsAuthenticated)
                    LoginUser(Page.User.Identity.Name);
                else
                    LogoutUser();
            }
        }

        protected override bool OnBubbleEvent(object source, EventArgs args)
        {
            LoginChangedEventArgs le = args as LoginChangedEventArgs;

            if (le != null)
            {
                if (le.Authenticated)
                    LoginUser(le.User);
                else
                    LogoutUser();
            }
            
            return base.OnBubbleEvent(source, args);
        }
        
        public void LoginUser(string user)
        {
            GrurrahUser current = Session["CurrentUser"] as GrurrahUser;
            if (current == null || current.Name != user)
            {
                current = GrurrahUser.QueryForByName(user);
                Session["CurrentUser"] = current;
            }
            OnLoginStatusChanged(current, true);
        }

        public void LogoutUser ()
        {
            Session.Remove("CurrentUser");
            OnLoginStatusChanged(null, false);
        }

        public virtual void OnLoginStatusChanged(GrurrahUser user, bool authenticated)
        {
            GrurrahBaseControl hud = (GrurrahBaseControl)Master.FindControl("hud_control");

            if (hud != null)
                hud.OnLoginStatusChanged(user, authenticated);
        }
    }
}
